Drink plenty of water to keep
hydrated & minimise your hangover
Drink slowly & pace yourself to avoid alcohol poisoning
Drink on a full stomach
Make sure youre in a safe environment (don't drink near railway lines or roads)
Always stay with your mates and look out for each other
Know how youre getting home, dont walk alone or get into unlicensed cabs
If someone passes out put them in the recovery position & dial 999. Stay with them until help arrives.